X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/d6edfe35c8a9490407e4a5e34f8e5108c6a260a3..3d6508c9b9505cb3393b7c12df1a0c87f7828bbe:/Demos/Device/LowLevel/AudioOutput/Descriptors.h

diff --git a/Demos/Device/LowLevel/AudioOutput/Descriptors.h b/Demos/Device/LowLevel/AudioOutput/Descriptors.h
index 0f2bb65bd..958e69eaa 100644
--- a/Demos/Device/LowLevel/AudioOutput/Descriptors.h
+++ b/Demos/Device/LowLevel/AudioOutput/Descriptors.h
@@ -125,7 +125,7 @@
 		 *
 		 *  \param[in] freq  Required audio sampling frequency in HZ
 		 */
-		#define SAMPLE_FREQ(freq)  {LowWord: ((uint32_t)freq & 0x00FFFF), HighByte: (((uint32_t)freq >> 16) & 0x0000FF)}
+		#define SAMPLE_FREQ(freq)  {LowWord: ((uint32_t)(freq) & 0x00FFFF), HighByte: (((uint32_t)(freq) >> 16) & 0x0000FF)}
 		
 		/** Mask for the attributes parameter of an Audio class specific Endpoint descriptor, indicating that the endpoint
 		 *  accepts only filled endpoint packets of audio samples.